22222131520232 has 96 divisors (see below), whose sum is σ = 48509795565000. Its totient is φ = 9515796111360.

The previous prime is 22222131520231. The next prime is 22222131520243. The reversal of 22222131520232 is 23202513122222.

It can be written as a sum of positive squares in 4 ways, for example, as 22013306283556 + 208825236676 = 4691834^2 + 456974^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22222131520195 and 22222131520204.

It is not an unprimeable number, because it can be changed into a prime (22222131520231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4207937432 + ... + 4207942712.

Almost surely, 2^{22222131520232} is an apocalyptic number.

It is an amenable number.

22222131520232 is an abundant number, since it is smaller than the sum of its proper divisors (26287664044768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22222131520232 is a wasteful number, since it uses less digits than its factorization.

22222131520232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12259 (or 12248 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 22222131520232 its reverse (23202513122222), we get a palindrome (45424644642454).

The spelling of 22222131520232 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred thirty-one million, five hundred twenty thousand, two hundred thirty-two".